AU2672297A - Method and apparatus for interference decorrelation in time and space - Google Patents

Method and apparatus for interference decorrelation in time and space

Info

Publication number
AU2672297A
AU2672297A AU26722/97A AU2672297A AU2672297A AU 2672297 A AU2672297 A AU 2672297A AU 26722/97 A AU26722/97 A AU 26722/97A AU 2672297 A AU2672297 A AU 2672297A AU 2672297 A AU2672297 A AU 2672297A
Authority
AU
Australia
Prior art keywords
space
time
decorrelation
interference
interference decorrelation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU26722/97A
Other versions
AU725732B2 (en
Inventor
Gregory Edward Bottomley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Inc filed Critical Ericsson Inc
Publication of AU2672297A publication Critical patent/AU2672297A/en
Application granted granted Critical
Publication of AU725732B2 publication Critical patent/AU725732B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
AU26722/97A 1996-04-19 1997-04-14 Method and apparatus for interference decorrelation in time and space Ceased AU725732B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/636752 1996-04-19
US08/636,752 US5796788A (en) 1996-04-19 1996-04-19 Method and apparatus for interference decorrelation in time and space
PCT/US1997/006344 WO1997040589A1 (en) 1996-04-19 1997-04-14 Method and apparatus for interference decorrelation in time and space

Publications (2)

Publication Number Publication Date
AU2672297A true AU2672297A (en) 1997-11-12
AU725732B2 AU725732B2 (en) 2000-10-19

Family

ID=24553189

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26722/97A Ceased AU725732B2 (en) 1996-04-19 1997-04-14 Method and apparatus for interference decorrelation in time and space

Country Status (9)

Country Link
US (1) US5796788A (en)
EP (1) EP0894368B1 (en)
JP (1) JP4149517B2 (en)
KR (1) KR20000005544A (en)
CN (1) CN1130853C (en)
AU (1) AU725732B2 (en)
CA (1) CA2252101A1 (en)
DE (1) DE69720710T2 (en)
WO (1) WO1997040589A1 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5790606A (en) * 1994-01-11 1998-08-04 Ericsson Inc. Joint demodulation using spatial maximum likelihood
US6173014B1 (en) * 1994-08-02 2001-01-09 Telefonaktiebolaget Lm Ericsson Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radio communications system
DE19604772C2 (en) * 1996-02-09 2002-08-29 Siemens Ag Method for parameterizing a receiving device, and corresponding receiving device and radio station
CA2252664C (en) 1996-04-26 2002-04-02 At&T Corp. Method and apparatus for data transmission using multiple transmit antennas
DE19781889T1 (en) * 1996-07-22 1999-07-01 Seagate Technology Compensation of data acquisition in the asymmetrical channel
IL120222A0 (en) * 1997-02-14 1997-06-10 D S P C Israel Ltd Method and apparatus for acquiring and tracking the sampling phase of a signal
US6128355A (en) * 1997-05-21 2000-10-03 Telefonaktiebolget Lm Ericsson Selective diversity combining
US6693982B1 (en) * 1997-10-06 2004-02-17 At&T Corp. Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes
US6088408A (en) 1998-11-06 2000-07-11 At & T Corp. Decoding for generalized orthogonal designs for space-time codes for wireless communication
US6125136A (en) * 1997-12-31 2000-09-26 Sony Corporation Method and apparatus for demodulating trellis coded direct sequence spread spectrum communication signals
US6363104B1 (en) * 1998-10-02 2002-03-26 Ericsson Inc. Method and apparatus for interference cancellation in a rake receiver
DE19901877B4 (en) 1999-01-19 2005-10-13 Siemens Ag A method for obtaining information about disturbances in the receiver of a communication system
JP4495288B2 (en) * 2000-01-18 2010-06-30 パナソニック株式会社 Base station apparatus, communication terminal apparatus, and wireless communication method
US7778312B2 (en) * 2000-12-22 2010-08-17 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for selecting demodulation processing delays in a receiver
US7769078B2 (en) * 2000-12-22 2010-08-03 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus, methods and computer program products for delay selection in a spread-spectrum receiver
US7131054B2 (en) * 2001-09-17 2006-10-31 Digeo, Inc. Apparatus and method for efficient decoder normalization
CN1203637C (en) * 2003-01-07 2005-05-25 大唐移动通信设备有限公司 Time gap CDMA system noise space concerned characteristics estimating method
US7630687B2 (en) 2004-12-03 2009-12-08 Microsoft Corporation Extensible framework for mitigating interference problems in wireless networking
US7796956B2 (en) * 2005-05-03 2010-09-14 Telefonaktiebolaget L M Ericsson (Publ) Receiver for a multi-antenna, multi-band radio
US7664465B2 (en) * 2005-11-04 2010-02-16 Microsoft Corporation Robust coexistence service for mitigating wireless network interference
RU2303330C1 (en) 2006-02-13 2007-07-20 Самсунг Электроникс Ко., Лтд. Method for receiving signal in communication system with several channels for transmitting and receiving
KR100841936B1 (en) * 2006-12-29 2008-06-27 포스데이타 주식회사 Apparatus and method for combining received signal considering interference for each antenna, apparatus and method for computing symbol metric using it
US8045645B2 (en) * 2007-06-08 2011-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Signal processor for estimating signal parameters using an approximated inverse matrix
KR101440623B1 (en) * 2008-04-18 2014-10-30 엘지전자 주식회사 Receiver and method of restoring data using multiple antenna
US8934580B2 (en) * 2010-07-28 2015-01-13 Lg Electronics Inc. Method and apparatus for channel estimation in multi-path channel

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4713817A (en) * 1985-04-25 1987-12-15 Codex Corporation Multidimensional, convolutionally coded communication systems
US4644562A (en) * 1985-08-28 1987-02-17 At&T Company Combined cross polarization interference cancellation and intersymbol interference equalization for terrestrial digital radio systems
CA1338153C (en) * 1987-11-10 1996-03-12 Yoshihiro Nozue Interference canceller
SE463540B (en) * 1988-09-19 1990-12-03 Ericsson Telefon Ab L M SEAT TO DIGITALIZE ANY RADIO SIGNALS IN A RADIO COMMUNICATION SYSTEM AND DEVICE TO EXERCISE THE SET
EP0381949A1 (en) * 1989-02-01 1990-08-16 Siemens Aktiengesellschaft Diversity combiner
SE464902B (en) * 1989-10-24 1991-06-24 Ericsson Telefon Ab L M PROCEDURE TO ADAPT A VITERBIAL ALGORITHM TO A CHANNEL WITH VARIOUS TRANSFER PROPERTIES AND A DEVICE IMPLEMENTING PROCEDURE
US5031193A (en) * 1989-11-13 1991-07-09 Motorola, Inc. Method and apparatus for diversity reception of time-dispersed signals
SE465597B (en) * 1990-02-16 1991-09-30 Ericsson Telefon Ab L M PROCEDURE TO REDUCE THE EFFECT OF BREATHING ON A WHITE RECEIVER WITH AT LEAST TWO ANTENNA
DE69129768T2 (en) * 1990-03-30 1999-02-25 Nec Corp Room diversity receiver insensitive to interference
DE69228649T2 (en) * 1991-11-18 1999-08-12 Nec Corp Automatic equalizer for effective compensation of neighboring symbol interference and cross-polarization interference in the case of double co-channel polarization
US5319677A (en) * 1992-05-12 1994-06-07 Hughes Aircraft Company Diversity combiner with MLSE for digital cellular radio
US5351274A (en) * 1993-08-20 1994-09-27 General Electric Company Post detection selection combining diversity receivers for mobile and indoor radio channels
US5481572A (en) * 1994-08-02 1996-01-02 Ericsson Inc. Method of and apparatus for reducing the complexitiy of a diversity combining and sequence estimation receiver
US5680419A (en) * 1994-08-02 1997-10-21 Ericsson Inc. Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems
US5659578A (en) * 1994-11-23 1997-08-19 At&T Wireless Services, Inc. High rate Reed-Solomon concatenated trellis coded 16 star QAM system for transmission of data over cellular mobile radio
JP2689926B2 (en) * 1994-12-05 1997-12-10 日本電気株式会社 Diversity receiver

Also Published As

Publication number Publication date
AU725732B2 (en) 2000-10-19
EP0894368A1 (en) 1999-02-03
KR20000005544A (en) 2000-01-25
US5796788A (en) 1998-08-18
WO1997040589A1 (en) 1997-10-30
CN1221525A (en) 1999-06-30
JP2000509576A (en) 2000-07-25
CN1130853C (en) 2003-12-10
EP0894368B1 (en) 2003-04-09
DE69720710T2 (en) 2003-10-16
CA2252101A1 (en) 1997-10-30
JP4149517B2 (en) 2008-09-10
DE69720710D1 (en) 2003-05-15

Similar Documents

Publication Publication Date Title
AU2672297A (en) Method and apparatus for interference decorrelation in time and space
AU1830995A (en) Method and apparatus for measurement-while-drilling utilizing improved antennas
AU6376098A (en) Receiving apparatus and receiving method
AU6378498A (en) Receiving apparatus and receiving method
AU7125198A (en) Defibrillator method and apparatus
SG64900A1 (en) Method and apparatus for interconnecting lans
AU2539097A (en) Simultaneous multisample analysis and apparatus therefor
AU7252096A (en) Lumpectomy facilitating apparatus and methods related thereto
AU3529297A (en) Method and apparatus for texture data
AU6363898A (en) Receiving apparatus and method
AU7733694A (en) Improved photokeratoscope apparatus and method
AUPM606494A0 (en) Apparatus and method
AU3409397A (en) Structural member forming apparatus and method
AUPM719494A0 (en) Dither method and apparatus
AU3385097A (en) Data entry apparatus and method
AU7858798A (en) Storage apparatus and storage method
AU1472197A (en) Communication apparatus and communication method
AU2769497A (en) Therapy apparatus and method
AU5462598A (en) Data comparison and matching method and apparatus
AU3628397A (en) Analytical method and apparatus
AUPN829796A0 (en) Improved grinding method and apparatus for performing same
AU1231397A (en) Refrigeration method and apparatus
AU4647097A (en) Coin return anti-stuffing apparatus and method
AUPN861396A0 (en) Timing apparatus and method
AU8774798A (en) Method and apparatus for treating fuels

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired